Public bug reported:
Binary package hint: nfs-kernel-server
Problem:
Unable to access an NFS file share with uid higher than 2147483647 when
using /usr/sbin/rpc.mountd --manage-gids.
We have seen this behaviour both in jaunty(9.04) and in hardy(8.04.02).
hardy: nfs-kernel-server: 1:1.1.2-2ubuntu2.2
jaunty: nfs-kernel-version: 1:1.1.4-1ubuntu1
This was discovered as the default value for "RPCMOUNTDOPTS" in
/etc/default/nfs-kernel-server has been changed in jaunty.
In previous versions RPCMOUNTDOPTS was empty but in jaunty it is set to
"--manage-gids".
Background:
We are using ubuntu as an NFS server and a Juniper SA2500 as an NFS client.
Juniper uses uid and gid -1 for all NFS access. Using tcpdump we verified that
-1 translates into 4294967295.
Using an ubuntu client to test different uids, we found that a uid
higher than 2147483647 fails to access the share.
This problem may be caused by mixed use of unsigned/signed integer...
Have a nice day
/Peter & Björn
** Affects: nfs-utils (Ubuntu)
Importance: Undecided
Status: New
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problem with mountd --manage-gids and uid higher than 2147483647
https://bugs.launchpad.net/bugs/409826
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